/*
*
* Copyright (c) 2011 Vaulting Systems International
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy 
* of this software and associated documentation files (the "Software"), to deal 
* in the Software without restriction, including without limitation the rights 
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
* of the Software, and to permit persons to whom the Software is furnished to do  
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all  
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE  
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
package com.ekeyman.securesavelib.util;

import java.util.List;

import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Restrictions;

import com.ekeyman.securesavelib.dto.SearchFilter;

public class DaoUtils {
	/*
	 * Converts SearchFilter DTOs to Hibernate detached criteria objects.
	 */
	public static void buildSearchCriteria(DetachedCriteria criteria, List<SearchFilter> searchFilters){
		
		if(searchFilters != null && !searchFilters.isEmpty()){
			
			for(SearchFilter sf : searchFilters){
				if(sf.getOp().equalsIgnoreCase("eq")){
					criteria.add(Restrictions.eq(sf.getField(), sf.getData()));
				}
				else if(sf.getOp().equalsIgnoreCase("cn")){
					criteria.add(Restrictions.like(sf.getField(), "%" + sf.getData() + "%"));
				}
				else if(sf.getOp().equalsIgnoreCase("bw")){
					criteria.add(Restrictions.like(sf.getField(),sf.getData() + "%"));
				}
				else if(sf.getOp().equalsIgnoreCase("ew")){
					criteria.add(Restrictions.like(sf.getField(), "%" + sf.getData()));
				}
				else if(sf.getOp().equalsIgnoreCase("le")){
					criteria.add(Restrictions.le(sf.getField(),sf.getData()));
				}
				else if(sf.getOp().equalsIgnoreCase("lt")){
					criteria.add(Restrictions.lt(sf.getField(), sf.getData()));
				}
				else if(sf.getOp().equalsIgnoreCase("ge")){
					criteria.add(Restrictions.ge(sf.getField(), sf.getData()));
				}
				else if(sf.getOp().equalsIgnoreCase("gt")){
					criteria.add(Restrictions.gt(sf.getField(), sf.getData()));
				}
				else if(sf.getOp().equalsIgnoreCase("ne")){
					criteria.add(Restrictions.ne(sf.getField(), sf.getData()));
				}
			}	
			
		}
	}
}